To mark dimensions and tolerances on the designing drawing are the two important phases for product design.

在设计图纸上标注尺寸和公差是产品设计的两个重要阶段。

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To mark dimensions and tolerances on the designing drawing are the two important phases for product design.

在设计图纸上标注尺寸和公差是产品设计的两个重要阶段。

youdao